using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace TI3ParserLib
{
    public sealed class Filter
    {
        public Shape Appearance { get; private set; }
        public string Name { get; private set; }
        public List<Property> Properties { get; private set; }
        public string Category { get; private set; }
        public Connection Connections { get; private set; }

        public Filter(string name, string cat, Connection connections, Shape look = Shape.Square, params Property[] props)
        {
            this.Name = name;
            this.Category = cat;
            this.Appearance = look;
            this.Properties = new List<Property>(props);
            this.Connections = connections;
        }
    }

    public sealed class Property
    {
        public Type T { get; private set; } // string, double, int or enum
        public string Name { get; private set; }
        public object Value { get; set; }

        public Property(string name, Type t, object val)
        {
            this.Name = name;
            this.T = t;
            this.Value = val;
        }

        public static Property Make<T>(string name, T value)
        {
            return new Property(name, typeof(T), value);
        }
    }

    public enum Shape
    {
        Square, Circle, Diamond, Pentagon, PentagonInv, Parallelogram
    }

    public static class Plugins
    {
        public static List<Filter> GetFilters()
        {
            List<Filter> f = new List<Filter>();

            // global meta-filters
            f.Add(new Filter("Filetype", "Global", Connection.None, Shape.Square, Property.Make("Output type", Filetype._3DL2)));
            f.Add(new Filter("Parameters", "Global", Connection.None, Shape.Square, Property.Make("Parameters string", "")));
            f.Add(new Filter("Compression", "Global", Connection.None, Shape.Square, Property.Make("Method", CompressionMethod.LZO)));

            // value properties
            f.Add(new Filter("Input range", "Global", Connection.None, Shape.Square, Property.Make("Range", Range.Limited)));
            f.Add(new Filter("Output range", "Global", Connection.None, Shape.Square, Property.Make("Range", Range.Limited)));
            f.Add(new Filter("Input depth", "Global", Connection.None, Shape.Square, Property.Make("Channel A", 8), Property.Make("Channel B", 8), Property.Make("Channel C", 8)));
            f.Add(new Filter("Output depth", "Global", Connection.None, Shape.Square, Property.Make("Output depth", OutDepth._16)));

            // simple functions
            f.Add(new Filter("Invert", "Simple", Connection.Top | Connection.Bottom, Shape.Square));
            f.Add(new Filter("Constant (1)", "Simple", Connection.Top | Connection.Bottom, Shape.Square, Property.Make("Value", 0d)));
            f.Add(new Filter("Scale", "Simple", Connection.Top | Connection.Bottom, Shape.Square, Property.Make("Lower multiplier", 0d), Property.Make("Upper multiplier", 1d)));
            f.Add(new Filter("Clamp", "Simple", Connection.Top | Connection.Bottom, Shape.Square, Property.Make("Lower bound", 0d), Property.Make("Upper bound", 1d)));
            f.Add(new Filter("Gamma (PPC)", "Simple", Connection.Top | Connection.Bottom, Shape.Square, Property.Make("Gamma value", 2.2d), Property.Make("Invert", true)));

            // colorimetric functions
            f.Add(new Filter("Constant (3)", "Color", Connection.Top | Connection.Bottom, Shape.Square, Property.Make("Channel A", 0d), Property.Make("Channel B", 0d), Property.Make("Channel C", 0d)));
            f.Add(new Filter("Grayscale", "Color", Connection.Top | Connection.Bottom, Shape.Square, Property.Make("Primaries", Recommendation.BT709)));
            f.Add(new Filter("CalFile", "Color", Connection.Top | Connection.Bottom, Shape.Square, Property.Make("File path", "")));
            f.Add(new Filter("LutFile", "Color", Connection.Top | Connection.Bottom, Shape.Square, Property.Make("File path", "")));
            f.Add(new Filter("ICC (Single)", "Color", Connection.Top | Connection.Bottom, Shape.Square, Property.Make("File path", ""), Property.Make("Rendering intent", RenderingIntent.Absolute)));
            f.Add(new Filter("ICC (Link)", "Color", Connection.Top | Connection.Bottom, Shape.Square, Property.Make("Source profile", ""), Property.Make("Destination profile", ""), Property.Make("Rendering intent", RenderingIntent.Absolute)));

            // XYZ
            f.Add(new Filter("RGB -> XYZ", "Color", Connection.Top | Connection.Bottom, Shape.Square,
                Property.Make("Red Primary X", ColorSpace.BT709.RedX), Property.Make("Red Primary Y", ColorSpace.BT709.RedY),
                Property.Make("Green Primary X", ColorSpace.BT709.GreenX), Property.Make("Green Primary Y", ColorSpace.BT709.GreenY),
                Property.Make("Blue Primary X", ColorSpace.BT709.BlueX), Property.Make("Blue Primary Y", ColorSpace.BT709.BlueY),
                Property.Make("White Primary X", ColorSpace.BT709.WhiteX), Property.Make("White Primary Y", ColorSpace.BT709.WhiteY)));

            f.Add(new Filter("XYZ -> RGB", "Color", Connection.Top | Connection.Bottom, Shape.Square,
                Property.Make("Red Primary X", ColorSpace.BT709.RedX), Property.Make("Red Primary Y", ColorSpace.BT709.RedY),
                Property.Make("Green Primary X", ColorSpace.BT709.GreenX), Property.Make("Green Primary Y", ColorSpace.BT709.GreenY),
                Property.Make("Blue Primary X", ColorSpace.BT709.BlueX), Property.Make("Blue Primary Y", ColorSpace.BT709.BlueY),
                Property.Make("White Primary X", ColorSpace.BT709.WhiteX), Property.Make("White Primary Y", ColorSpace.BT709.WhiteY)));

            // multiplexer
            f.Add(new Filter("Multiplex", "Channel", Connection.Top | Connection.Left | Connection.Right | Connection.Bottom, Shape.Square));
            f.Add(new Filter("Combine", "Channel", Connection.Top | Connection.Left | Connection.Right | Connection.Bottom, Shape.Square));
            f.Add(new Filter("Swap", "Channel", Connection.Top | Connection.Bottom, Shape.Square, Property.Make("Swap mode", SwapMode.AB)));

            return f;
        }

        /*
        private sealed class Plugin
        {
            public string filename;
        }*/
    }

    public enum Filetype
    {
        _3DLUT, _3DL2
    }

    public enum OutDepth
    {
        _8, _16, _32, _64
    }

    [Flags]
    public enum Connection : int
    {
        None = 0x00,
        Top = 0x01,
        Bottom = 0x02,
        Left = 0x04,
        Right = 0x08
    }
}